Pro-GMO lobbyists’ delight over the retraction of a study that reported GM DNA in animal tissues is misplaced – and they are silent over data manipulation and retractions of studies by GMO supporters, writes Claire Robinson

The food writer Nathanael Johnson recently published an article called “It’s virtually impossible to define ‘GMOs’”, while an article in Embo Reports argued that GMO is a “meaningless pseudo-category”. Dr Janet Cotter (pictured above) of Logos Environmental cuts through the confusion and explains what a GMO is – and isn’t